Home / 743,691,664.96-1,115,673,699.21-306,753,994.60

Finding the Fourth Proportional to 743,691,664.96, 1,115,673,699.21 and 306,753,994.60

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Solution

The fourth proportional to 743,691,664.96, 1,115,673,699.21 and 306,753,994.60 is: 460,187,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,691,664.96 : 1,115,673,699.21 = 306,753,994.60 : x
  2. Step 2: Convert to fraction form
    743,691,664.96/1,115,673,699.21 = 306,753,994.60/x
  3. Step 3: Cross multiply
    743,691,664.96x = 1,115,673,699.21 × 306,753,994.60
  4. Step 4: Simplify right side
    743,691,664.96x = 342,237,363,902,826,432
  5. Step 5: Solve for x
    x = 342,237,363,902,826,432/743,691,664.96
  6. Step 6: Final answer
    x = 460,187,171.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.